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Even as e-paper technology is catching up, Dutch major Philips Electronics has gone a step ahead and developed what it calls the e-skin. Aimed at transforming displays into energy-efficient digital canvases, Philips has made the thin, light surfaces for displays on small devices such as MP3 players or cell phones initially.The e-skin technology brings in the e-skin pixel manipulation that can be explained thus: Different colored particles in a clear suspension are activated by an electric field to produce a single vivid color pixel or a mix of colors and shades, according to the makers. It may be seen that electronic paper (e-paper), in the meanwhile, puts into play the process of electrophoresis where colored particles in a clear suspension spurred by a surface charge are administered an electric field perpendicular to the surface. This, in turn, forces them to gather at the top of a pixel and form darkened areas. When activated and non-activated pixels come together words and images come visible.
In the case of e-skin technology, it is different. The charge is injected parallel to the surface here, which in turn triggers independently controlled color particles with a charge and spreads on the pixel. It then returns to the transparent state after it is reset and the particles masked.
It is also being reported that a gate electrode has been thrown in into each pixel so that color saturation is controlled.
Philips might be making it for small device displays for the time being. But in the longer term, it could get into larger surfaces too.